Difference between revisions of "DHCP"

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(DHCP configuration items)
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DHCP make things easy, and my be ”unaware“ to users, but will get complaints in case it does not work.
 
DHCP make things easy, and my be ”unaware“ to users, but will get complaints in case it does not work.
 
== DHCP configuration items ==
 
== DHCP configuration items ==
* Address Pool
+
* Address Pool (192.168.1.100-192.168.1.250/24)
* Reservation (IP <-> MAC)
+
* Reservation (IP address 192.168.1.105 <-> MAC address:00-50-56-C0-00-08)
 
* Scope Options
 
* Scope Options
 
** 003 Router
 
** 003 Router

Revision as of 13:36, 15 February 2017

DHCP make things easy, and my be ”unaware“ to users, but will get complaints in case it does not work.

DHCP configuration items

  • Address Pool (192.168.1.100-192.168.1.250/24)
  • Reservation (IP address 192.168.1.105 <-> MAC address:00-50-56-C0-00-08)
  • Scope Options
    • 003 Router
    • 006 DNS Servers
    • 066 Boot Server Host Name
    • 067 Bootfile Name
  • Server Options

Install DHCP

  • Install-WindowsFeature -Name DHCP -IncludeManagementTools

Post-deployment Configuration

  • Complete DHCP configuration
  • Specify the credentials to be used to authorize this DHCP server in AD DS
  • Commit

DHCP Failover (HA)

  • Relationship Name: DHCP01<->DHCP02
  • Maximum Client Lead Time: 1 hour (default)
  • Mode: Load balance (default) 50% / 50%
  • State Switchover Internal: 60 minutes (optional)
  • Enable Message Authenication
    • Shared Secret: **********

DHCP Split-Scope (HA)

  • Percentage of IP V4 Addresses: Host DHCP server 80% / Added DHCP server 20% (default)
  • Delay in DHCP Offer (milli seconds): Host DHCP server 0 / Added DHCP server 0 (default)

DHCP in multiple VLANs

  • DHCP servers(HA) are in server VLAN, and can provide DHCP service to multiple VLANs
  • Network team may need to configure ip helper-address